// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_CDM_STUB_STUB_CDM_H_
#define MEDIA_CDM_STUB_STUB_CDM_H_

#include <stdint.h>

#include "base/macros.h"
#include "media/cdm/api/content_decryption_module.h"

namespace media {

typedef cdm::ContentDecryptionModule_8 StubCdmInterface;

// Dummy implementation of the cdm::ContentDecryptionModule interface.
class StubCdm : public StubCdmInterface {
public:
    explicit StubCdm(Host* host);
    ~StubCdm() override;

    // StubCdmInterface implementation.
    void Initialize(bool allow_distinctive_identifier,
        bool allow_persistent_state) override;
    void CreateSessionAndGenerateRequest(uint32_t promise_id,
        cdm::SessionType session_type,
        cdm::InitDataType init_data_type,
        const uint8_t* init_data,
        uint32_t init_data_size) override;
    void LoadSession(uint32_t promise_id,
        cdm::SessionType session_type,
        const char* session_id,
        uint32_t session_id_length) override;
    void UpdateSession(uint32_t promise_id,
        const char* session_id,
        uint32_t session_id_length,
        const uint8_t* response,
        uint32_t response_size) override;
    void CloseSession(uint32_t promise_id,
        const char* session_id,
        uint32_t session_id_length) override;
    void RemoveSession(uint32_t promise_id,
        const char* session_id,
        uint32_t session_id_length) override;
    void SetServerCertificate(uint32_t promise_id,
        const uint8_t* server_certificate_data,
        uint32_t server_certificate_data_size) override;
    void TimerExpired(void* context) override;
    cdm::Status Decrypt(const cdm::InputBuffer& encrypted_buffer,
        cdm::DecryptedBlock* decrypted_block) override;
    cdm::Status InitializeAudioDecoder(
        const cdm::AudioDecoderConfig& audio_decoder_config) override;
    cdm::Status InitializeVideoDecoder(
        const cdm::VideoDecoderConfig& video_decoder_config) override;
    void DeinitializeDecoder(cdm::StreamType decoder_type) override;
    void ResetDecoder(cdm::StreamType decoder_type) override;
    cdm::Status DecryptAndDecodeFrame(const cdm::InputBuffer& encrypted_buffer,
        cdm::VideoFrame* video_frame) override;
    cdm::Status DecryptAndDecodeSamples(const cdm::InputBuffer& encrypted_buffer,
        cdm::AudioFrames* audio_frames) override;
    void Destroy() override;
    void OnPlatformChallengeResponse(
        const cdm::PlatformChallengeResponse& response) override;
    void OnQueryOutputProtectionStatus(cdm::QueryResult result,
        uint32_t link_mask,
        uint32_t output_protection_mask) override;

private:
    // Helper function that rejects the promise specified by |promise_id|.
    void FailRequest(uint32_t promise_id);

    Host* host_;

    uint32_t next_session_id_;

    DISALLOW_COPY_AND_ASSIGN(StubCdm);
};

} // namespace media

#endif // MEDIA_CDM_STUB_STUB_CDM_H_
